Dr Zachary Birchmeier is currently an Instructional Technology Support Specialist at Stephens College in Columbia, MO, USA. He received a PhD in Psychology from Miami University in 2004. Beth Dietz-Uhler is Professor of Psychology at Miami University. Her research interests include intragroup and intergroup behavior, reactions to threats to social identity, sport fans and spectators, and computer-mediated communication. Garold Stasser is Professor of Psychology at Miami University. His published work has appeared in the Psychological Review, the Review of Personality and Social Psychology, Psychological Inquiry, the Journal of Personality and Social Psychology, the Journal of Experimental Social Psychology and Organizational Behavior and Human Decision Processes. His research interests are communication in decision-making groups, coordination of social behavior, collective choice and problem solving and computational models of social interaction.